Description: This walk explores the bridges which lead to and from the City of London from Blackfriars to Tower Bridge (although technically the latter is just outside the City). This tells the story of how these bridges came to be built and paid for.

Description: The New River was one of the 17th Century’s greatest feats of engineering – this walk traces its route through Islington. You’ll see some of London’s oldest industrial buildings sitting in a car park and a delightful park that is one of Islington’s best secrets

Description: Hampstead, Belsize Park and Swiss Cottage have a hidden secret shared with Buckingham Palace – the river Tyburn flows beneath! For centuries the source of drinking water for the City of London and the water supply for the lake in Regents Park come and see where its upper reaches once flowed.